If you post incorrect assertions, I will correct them. Your behaviour is the problem here, posting your ill informed opinion as fact.
Your opinion is that the Tu144 was deadly is true to the extent that it claimed nearly 20 lives. However, this was eclipsed by the 109 lives claimed in the Concorde crash, which, it should be noted, occured in airline operation, whereas the Tu144 suffered two accidents in display/testing flights.
No amount of blustering will cover up your lack of knowledge of aviation operations.